Well-tubing expansion joint

F - Mech Eng,Light,Heat,Weapons – 16 – L

Patent

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285/29

F16L 27/12 (2006.01) E21B 17/07 (2006.01)

Patent

CA 1159865

IMPROVED WELL-TUBING EXPANSION JOINT Abstract of the Disclosure An expansion joint for use with a retrievable packer includes a stop to limit the extent to which the joint may be extended and for providing vertical support for packer retrieval and further includes and interfitting key and slot acting between a housing and a mandrel telescoped into the housing in order to transmit torque through the joint.

378425

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